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V-Lab

NX Filtration N.V. GAS-GARCH Student T Volatility Analysis

Volatility prediction for Tuesday, August 25th, 2026

1 Day

71.30%

increased by 17.00%

1 Week

72.72%

increased by 18.42%

1 Month

78.02%

increased by 23.72%

Analysis last updated: Tuesday, August 25, 2026 at 06:34 PM UTC

Date Range:

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1Y ·

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graph of NX Filtration N.V. GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jun 15, 2021 to Aug 21, 2026

Model Insight

With persistence 0.996, volatility shocks have a half-life of 163 trading days (~0.6 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate. Returns follow a Student-t distribution with v = 2.96 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

116.7822
5.36***
α

ARCH

Response to squared shocks

0.1706
65.84***
β

GARCH

Volatility persistence

0.9958
1,381.08***
ν

DF

Student-t tail thickness

2.9569
60.67***

Persistence:

0.996

Half-life:

163 days